Lower intake gaskets failed
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Cargo Master
Joined: Aug 2002
Posts: 2,013
Likes: 6
From: Cajun Country
Lower intake gaskets failed
My 4.2 had been losing coolant for awhile. So,last week I had a UOA done and it showed traces of coolant in the oil.I had the original lowers replaced back in 11/2002 by my local Ford dealer.There was a calcium trail running from my lower intake,drivers side,onto the head and motor mount. I brought it back to the same Ford dealer yesterday and they replaced them,again! The Ford tech showed me where the gasket was leaking,#4 and # 6 cylinders! I was pi**ed! He said it could have gone anytime and hydrolocked! Well,they only charged me $60.00 an hour labor and $62.07 for the gasket kit.But,i'm not thru with them yet; they owe me for this job due to them (the Ford tech) and/ or the gaskets failing! Anyway,i'll keep ya'll posted.BTW,if you are losing coolant,get a UOA done and look at the lower intake to head area to see if there is a calcium trail forming! It looks like a white ash substance.
Last edited by BlueOvalFitter; Feb 28, 2006 at 04:47 PM.
Senior User
Joined: Mar 2005
Posts: 352
Likes: 1
From: uk
hi, what is a UOA test. at 180k i replaced all gaskets with felpro gaskets when undertaking a full rebuild due to coolant/gasket failure. i have run up approx another 12k and todate everything is ok. is there any way i can find out if this truck has ever had gasket failure prior to me owning it. i have no documents other than its vin number and my country's registration mark.
watching the coolant level constantly and crossing your fingers seems to be part of owning a 1997, unfortunately.
watching the coolant level constantly and crossing your fingers seems to be part of owning a 1997, unfortunately.
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Cargo Master
Joined: Aug 2002
Posts: 2,013
Likes: 6
From: Cajun Country
UOA- used oil analysis.Its when you take a sample of your oil and have it analyzed to tell the engines internal condition.In my case,I was losing about a quart of coolant every 3-4 months and the analysis discovered it.
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